Because no two farms have identical wind profiles, each farm added to a grid reduces variability. (insteading.com)
Since no two wind farms have identical wind profiles, each one added to the grid makes wind a more stable source of electricity. (earthpolicy.org)
Radar expertise at the lab includes the operation of wind profiling radars for obtaining profile of the wind (depending on the radar) to heights of 8 - 10 km above the surface. (pnnl.gov)